How was the Newberry volcano formed?
Unlike familiar cone-shaped Cascades volcanoes, Newberry was built into the shape of a broad shield by repeated eruptions over the past 400,000 years. About 75,000 years ago a major explosive eruption and collapse event created a large volcanic depression at its summit that now hosts two caldera lakes.
When was the last time Newberry volcano erupted?
690 AD
Newberry Volcano/Last eruption
How was Paulina Lake formed?
Paulina Lake sits within the Newberry Crater, formed from over 500,000 years of volcanic activity. The lake bears the name of Paulina, a Snake Indian.
How many cinder cones are scattered over Newberry caldera?
400
Newberry is both seismically and geothermally active. Geologists believe the caldera sits over a shallow magma body only 2 to 5 kilometers deep. Visitors see numerous cinder cones and vents (over 400 throughout the area), miles of basalt flows, as well as rhyolite flows of obsidian.
What is Newberry Volcano made of?
Instead, Newberry is a shield-shaped volcano formed by the full range of lava types (basalt to rhyolite) that erupted in diverse styles, and it has as many as 400 volcanic vents scattered across its slopes.
When did Newberry erupt?
Is Newberry a supervolcano?
Newberry Volcano is a large active shield volcano located about 20 miles (32 km) south of Bend, Oregon, United States, 35 miles (56 km) east of the major crest of the Cascade Range, within the Newberry National Volcanic Monument. Its highest point is Paulina Peak….
| Newberry Volcano | |
|---|---|
| Designated | 1976 |
Can you swim in Paulina Lake?
Paulina Lake You can find picnic areas and swimming beaches at the day use area. Since the water comes largely from snowmelt, it can be cold for swimming in early season. Just past the falls, you can find swimming holes and natural waterslides great for a hot summer day.
How high is Paulina Peak?
7,989′
Newberry Volcano/Elevation
How old is the Newberry Volcano?
About 600,000 years old
| Newberry Volcano | |
|---|---|
| Age of rock | About 600,000 years old |
| Mountain type | Characteristics of both shield volcanoes and composite volcanoes |
| Volcanic arc | Cascade Volcanic Arc |
| Last eruption | 690 AD |
How many times has Newberry erupted?
Between the end of the last Ice Age (about 12,000 years ago) and 7,700 years ago, Newberry Volcano erupted at least a dozen times.
Are there fish in Paulina Creek?
Paulina Creek is a stream located just 4.1 miles from Three Rivers, in Deschutes County, in the state of Oregon, United States. Fishermen will find a variety of fish including rainbow trout, brown trout and brook trout here.